ST7263BH2 STMicroelectronics, ST7263BH2 Datasheet - Page 42
![no-image](/images/manufacturer_photos/0/6/637/stmicroelectronics_sml.jpg)
ST7263BH2
Manufacturer Part Number
ST7263BH2
Description
LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
Manufacturer
STMicroelectronics
Datasheet
1.ST7263BH6.pdf
(186 pages)
Specifications of ST7263BH2
4, 8, 16 Or 32 Kbytes Program Memory
high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection
- Current page: 42 of 186
- Download datasheet (3Mb)
Power saving modes
42/186
The MCU will remain in Wait mode until a Reset or an interrupt occurs, causing it to wake
up. Refer to
Related documentation
AN 980: ST7 Keypad Decoding Techniques, Implementing Wakeup on Keystroke
AN1014: How to Minimize the ST7 Power Consumption
AN1605: Using an active RC to wakeup the ST7LITE0 from power saving mode
Figure 21. Wait mode flowchart
1. Before servicing an interrupt, the CC register is pushed on the stack. The I-Bit is set during the interrupt
routine and cleared when the CC register is popped.
Figure
21.
N
INTERRUPT
Doc ID 7516 Rev 8
Y
OSCILLATOR
PERIPH. CLOCK
CPU CLOCK
I-BIT
N
OR SERVICE INTERRUPT
FETCH RESET VECTOR
OSCILLATOR
PERIPH. CLOCK
CPU CLOCK
I-BIT
WFI INSTRUCTION
4096 CPU CLOCK
CYCLES DELAY
IF RESET
RESET
Y
ON
ON
OFF
CLEARED
ON
ON
ON
SET
ST7263Bxx
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